Question

A man wanted 200 tiles of the size 6 cm x 6 cm to cover the floor. When he went to the market he found that tiles of only 4 cm x 4 cm were available. How many tiles should he buy? (Ans: 450​

Answer 1

Explanation:

mean: A man wanted 200 tiles of the size 6 cm x 6 cm to cover the floor. When he went to the market he found that tiles of only 4 cm x 4 cm are available. How many times should i buy? (And: 450

Answer 2

Because you have the answer already, I'm assuming that you're asking for us to explain how to get the answer.

Alright. For this question, we have a man who wants 200 tiles of size 6cm x 6cm to cover the floor. So we'll calculate how much his floor actually is by

200*6*6

= 7200

So, the area he wants to cover is 7200cm^2.

Now, when he reaches the market he finds out that only 4cm x 4cm tiles are available.

So, now we need to cover an area of 7200 using 4x4 tiles.

For this, first we calculate the area of one such 4x4 tile

= 4*4

= 16 cm^2

Now, it's simple, to find how many tiles the man will need, we divide the area to be covered by the area of a single 4x4 tile

= 7200/16

= 450

And thus, he'll need 450 such tiles

Hope this Helped!

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